Re: Question about pg_dump + pg_restore + pg_toast - Mailing list pgsql-admin

From Laurenz Albe
Subject Re: Question about pg_dump + pg_restore + pg_toast
Date
Msg-id 8719938ad0b65691836eb898c80da170ae9b54b6.camel@cybertec.at
Whole thread Raw
In response to Question about pg_dump + pg_restore + pg_toast  (Edwin UY <edwin.uy@gmail.com>)
Responses Re: Question about pg_dump + pg_restore + pg_toast
List pgsql-admin
On Mon, 2025-02-24 at 22:19 +1300, Edwin UY wrote:
> We are upgrading this database from v12 to v16 and we want to do a dump of it in case we decided to do a restore from
v16to v12.
 
> SO, after the upgrade, in case we want to rollback to v12, we will do a pg_dump using v16 and then using v12
pg_restore

Be warned that downgrade is not supported and restoring the dump to v12 might well fail.
You might have to manually edit the dump file until you can restore it without errors.

Yours,
Laurenz Albe

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